
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        .font{
            margin: 100px auto;
            border: 2px solid black;
            width: 820px;
            height: 620px;
        }
        .font .div1{
            height: 100px;
            background-color: blueviolet;
            margin:10px 10px;
            
        }
        .font .div2{
            height: 380px;
            width: 595px;
            background-color: aquamarine;
            float: left;
            margin: 0 10px;
        }
.font .div3{
    height: 380px;
    width: 195px;
    background-color: cadetblue;
    float: left;
}
.font .div4{
    width: 800px;
    height: 100px;
    background-color: dodgerblue;
    float: left;
    margin: 10px 10px;
}
    </style>
</head>
<body>
    <div class="font">
        <div class="div1"></div>
        <div class="div2"></div>
        <div class="div3"></div>
        <div class="div4"></div>
    </div>
</body>
</html>